Catalytic Pyrolysis of Poppy Capsule Pulp in Fixed Bed Reactor

Yıl 2019, Sayı: 17, 581 - 588, 31.12.2019

Derya Yeşim Hopa Nazan Yılmaz

https://doi.org/10.31590/ejosat.624066

Öz

With the development of technology, science and industry in the history of humanity, it has been observed that the use of several energy types has increased. Gas, liquid (bio oil) and solid products (char) are obtained from pyrolysis process from biomass. Pyrolysis product is a good candidate for usage as fuel. In this study for this purpose, the pyrolysis of poppy capsule pulp for bio-oil production was conducted to investigate the effect of catalyst on liquid yield. Pyrolysis was carried out in a fixed bed pyrolysis reactor at a temperature of 500˚C, heating rate of 10 ° C / min, nitrogen flow rate of 1L / min and using different ratios of Na2CO3 as catalyst. In the pyrolysis studies, the highest oil yield,9.8 %, was obtained at the rate of 20 % catalyst. The obtained bio oil was characterized by FTIR, GC-MS and thermal value analysis. When the GC-MS results were examined, it was found that the bio oil was composed of compounds having different functional groups such as aliphatic, aromatic, ketone, ester, phenol and fatty acids. FT-IR analysis confirmed the GC-MS analysis results. The use of catalyst increased the thermal value of the bio oil and was determined to be 30.57 MJ / kg.

Anahtar Kelimeler

Biomass, poppy capsule pulp, pyrolysis, bio oil, catalyst

Haşhaş Kapsülü Küspesinin Sabit Yataklı Reaktörde Katalitik Pirolizi

Öz

İnsanlık tarihinde teknoloji, bilim ve sanayinin gelişmesi ile enerji türlerinin kullanımının arttığı görülmüştür. Biyokütle enerjisi yenilenebilir ve bol bulunan enerji kaynaklarından bir tanesidir. Biyokütleden piroliz işlemi ile gaz, sıvı (bioyağ) ve katı ürünler (char) elde edilemektedir. Piroliz ürünü olan biyoyağ yakıt olarak değerlendirilebilmektedir. Bu doğtultu da yapılan bu çalışmada, biyokütle olarak seçilen haşhaş küspesinden piroliz yöntemi ile biyoyağ eldesinde katalizörün biyoyağ ürün verimine etkisi araştırılmıştır. Piroliz işlemleri sabit yataklı piroliz reaktöründe 500˚C sıcaklıkta, 10°C/dk ısıtma hızında, 1L/dk azot akış hızında ve farklı oranlarda Na2CO3 katalizörü kullanılarak gerçekleştirilmiştir. Yapılan piroliz çalışmalarında %20 katalizör oranında en yüksek % 9,8 biyoyağ verimi elde edilmiştir. Elde edilen bu biyoyağ FT-IR, GC-MS ve ısıl değer analizleri yapılarak karakterize edilmiştir. GC-MS sonuçları incelendiğinde biyoyağın alifatik, aromatik, keton, ester, fenol ve yağ asitleri gibi farklı fonksiyonel gruplara sahip bileşiklerden oluştuğu belirlenmiştir. FT-IR analizi GC-MS analiz sonuçlarını doğrulamıştır. Katalizör kullanımı biyoyağın ısıl değerini artırmış ve 30,57 MJ/kg olarak tespit edilmiştir.

Anahtar Kelimeler

piroliz, biyokütle, katalizör, haşhaş küspesi, biyoyağ

Kaynakça

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